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Figure 1 | Genome Biology

Figure 1

From: Polymorphism in regulatory gene sequences

Figure 1

The types of regulatory genetic variation so far found. (1) cis-regulatory, non-coding; (2) cis-regulatory, coding; (3) trans-regulatory, coding or non-coding (although no instance of polymorphism in the expression of a transcription factor has yet been reported); (4) cis-regulatory, non-coding, very long distance (position effects). The transcription factor is shown in blue, signal sequence shown in red.

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